For the 24 hours to 23:00 GMT, USD strengthened 0.05% against the JPY and closed at 81.86.
In Japan, yesterday, monetary base rose by 5.6% (Y-o-Y) in February 2011.
In the Asian session at 4:00GMT, the pair is trading higher from the New York close, by 0.11%, at 81.95.
The first short term resistance is at 82.17, followed by 82.38. The pair is expected to find support at 81.77 and the subsequent support level at 81.58.
The capital spending in Japan is expected to be the key indicator to determine further trading trends in the currency pair.
The currency pair is showing convergence with its 20 Hr and 50 Hr moving averages.